Finding the Fourth Proportional to 275,086.67, 379,619.51 and 154,227.56

Step by Step Solution

1. Step 1: Write the proportion equation
   275,086.67 : 379,619.51 = 154,227.56 : x
2. Step 2: Convert to fraction form
   275,086.67/379,619.51 = 154,227.56/x
3. Step 3: Cross multiply
   275,086.67x = 379,619.51 × 154,227.56
4. Step 4: Simplify right side
   275,086.67x = 58,547,788,086.46
5. Step 5: Solve for x
   x = 58,547,788,086.46/275,086.67
6. Step 6: Final answer
   x = 212,833.97